With 3mm thick Aerospring™ foam and flexible heel cradle, Superfeet FLEXthin insoles offer long-lasting comfort for tight-fitting footwear. The Superfeet FLEX series of insoles offer an excellent introduction to the Superfeet experience.
- Durable viscoelastic closed-cell foam absorbs impact to deliver long-lasting comfort.
- Top layer delivers long lasting odor control.
- The flexible horseshoe-shaped heel cradle provides structure and stability to the foam layer.
- Improves air circulation and breathability.
- Helps position the heel to naturally absorb impact.